724198 has 4 divisors (see below), whose sum is σ = 1086300. Its totient is φ = 362098.

The previous prime is 724187. The next prime is 724211. The reversal of 724198 is 891427.

724198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181048 + ... + 181051.

It is an arithmetic number, because the mean of its divisors is an integer number (271575).

2⁷²⁴¹⁹⁸ is an apocalyptic number.

724198 is a deficient number, since it is larger than the sum of its proper divisors (362102).

724198 is a wasteful number, since it uses less digits than its factorization.

724198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362101.

The product of its digits is 4032, while the sum is 31.

The square root of 724198 is about 850.9982373660. The cubic root of 724198 is about 89.8019513368.

It can be divided in two parts, 72419 and 8, that added together give a palindrome (72427).

The spelling of 724198 in words is "seven hundred twenty-four thousand, one hundred ninety-eight".